Chemistry-
General
Easy

Question

Un certaintithpositiooaelectron (mass=9.1×10–31kg) moving with a velocity 300m/s,accurateupto0.001%,willbe (h=6.63×10–34Js)

  1. 5.76×10–2m    
  2. 1.92×10–2m    
  3. 3.84×10–2m    
  4. 19.2×10–2m    

The correct answer is: 1.92×10–2m

Related Questions to study

General
chemistry-

The orbital angular momentum for an electron revolviniaorbiigiveby square root of l left parenthesis l plus 1 right parenthesis end root fraction numerator h over denominator 2 pi end fraction This moment us for an s-electron will be given by-

The orbital angular momentum for an electron revolviniaorbiigiveby square root of l left parenthesis l plus 1 right parenthesis end root fraction numerator h over denominator 2 pi end fraction This moment us for an s-electron will be given by-

chemistry-General
General
chemistry-

An atom of Cr[Z=24] loses 2electrons. How many unparied electrons shalbe therinCr+2

An atom of Cr[Z=24] loses 2electrons. How many unparied electrons shalbe therinCr+2

chemistry-General
General
chemistry-

Which one of the following electron transitions between energy leve in the hydrogen atom produces thlinoshorteswavelength in hydrogen spectrum?

Which one of the following electron transitions between energy leve in the hydrogen atom produces thlinoshorteswavelength in hydrogen spectrum?

chemistry-General
parallel
General
chemistry-

The wavelgth of radiation emitted when and electron in a hydrogen atom makes a transition from an energy level within=3 to a level with n= 2 is :[Given that En =fraction numerator negative 1312 over denominator n to the power of 2 end exponent end fraction kJmol-1 ]

The wavelgth of radiation emitted when and electron in a hydrogen atom makes a transition from an energy level within=3 to a level with n= 2 is :[Given that En =fraction numerator negative 1312 over denominator n to the power of 2 end exponent end fraction kJmol-1 ]

chemistry-General
General
chemistry-

Whicothe followinhamaximunumbeof unpaired electrons:

Whicothe followinhamaximunumbeof unpaired electrons:

chemistry-General
General
chemistry-

Which of the following pairs is correctly matched

Which of the following pairs is correctly matched

chemistry-General
parallel
General
chemistry-

Electroniconfiguration:1s2,2s22p6,3s23p6 3d54s1represents

Electroniconfiguration:1s2,2s22p6,3s23p6 3d54s1represents

chemistry-General
General
chemistry-

Correcstatement is:

Correcstatement is:

chemistry-General
General
chemistry-

Whicothfollowinarisoelectronic NO3,CO3 ,ClO3,SO3:

Whicothfollowinarisoelectronic NO3,CO3 ,ClO3,SO3:

chemistry-General
parallel
General
chemistry-

The de-Brogliwavelength of a tennis ball of mass 60g moving with a velocity of 10metres per second is approximately:

The de-Brogliwavelength of a tennis ball of mass 60g moving with a velocity of 10metres per second is approximately:

chemistry-General
General
chemistry-

Wavelengtosomradiatiois500nm.What iiwave number

Wavelengtosomradiatiois500nm.What iiwave number

chemistry-General
General
chemistry-

IBohatomimoderadiuoIsorbiof Hydrogenis0.053nmthenradiusof 3rdorbitof Li+2 is:

IBohatomimoderadiuoIsorbiof Hydrogenis0.053nmthenradiusof 3rdorbitof Li+2 is:

chemistry-General
parallel
General
chemistry-

Which of the following pair is not isoelectronic:

Which of the following pair is not isoelectronic:

chemistry-General
General
chemistry-

What is the de-Brogliewavelength associated with the hydrogen electron iits third orbit:

What is the de-Brogliewavelength associated with the hydrogen electron iits third orbit:

chemistry-General
General
chemistry-

The configuration 1s2,2s2,2p5,3s1 shows:

The configuration 1s2,2s2,2p5,3s1 shows:

chemistry-General
parallel

card img

With Turito Academy.

card img

With Turito Foundation.

card img

Get an Expert Advice From Turito.

Turito Academy

card img

With Turito Academy.

Test Prep

card img

With Turito Foundation.